A good battery can accept and hold a charge, and deliver its rated amperage on demand.

一个性能良好的蓄电池可以接受和保持充电，并且在需要的时候供应额定电流。

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Reduce maintenance, lower maintenance costs. Shall establish good battery maintenance system, must have.

减少维护工作，降低维护成本。应建立良好的电池维护系统，一定要具备。

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How this will affect battery life is up in the air, but Motorola has always been very careful about maintaining good battery life.

但这对电池寿命的影响仍悬而未决，但是摩托罗拉始终在保持电池寿命这方面非常谨慎。

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We haven't had the opportunity to run a good battery test, but for what it's worth, the thing's plenty fast.

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We're resigned to the fact that the constantly increasing power demands of modern gadgets will always outstrip slow increases in the energy density of batteries: however, high energy density is not the only factor that goes into making a good battery.

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What really bewildered us was the lens continuously auto-focusing while the camera remained stationary -- that couldn't be good for the battery, and we'd like to see how battery life fares in upcoming reviews.

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